CD4 Lymphocyte Count

**Definition:** The number of CD4-POSITIVE T-LYMPHOCYTES per unit volume of BLOOD. Determination requires the use of a fluorescence-activated flow cytometer.

**Tree numbers:** - E01.370.225.500.195.107.595.500.150 - E01.370.225.625.107.595.500.150 - E05.200.500.195.107.595.500.150 - E05.200.625.107.595.500.150 - E05.242.195.107.595.500.150 - G04.140.107.595.500.150 - G09.188.105.595.500.150

**Synonyms:** - CD4+ Cell Counts - CD4 Counts - CD4 Cell Counts - Lymphocyte Count, CD4 - T4 Lymphocyte Count - CD4+ Counts